
//1.让类实现comparable接口
public class User implements Comparable<User> {

    private String name;
    private int age;

    public User(String name, int age) {
        this.name = name;
        this.age = age;
    }


    @Override
    public int compareTo(User other) {
        // return Integer.compare(this.age,other.age);
        return this.age > other.age ? 1 : -1;
    }

    public String getName() {
        return name;
    }

    public int getAge() {
        return age;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setAge(int age) {
        this.age = age;
    }
}
